Home / 39,379,901.40-59,122,996.20-31,301,998.20

Finding the Fourth Proportional to 39,379,901.40, 59,122,996.20 and 31,301,998.20

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Solution

The fourth proportional to 39,379,901.40, 59,122,996.20 and 31,301,998.20 is: 46,995,240.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,379,901.40 : 59,122,996.20 = 31,301,998.20 : x
  2. Step 2: Convert to fraction form
    39,379,901.40/59,122,996.20 = 31,301,998.20/x
  3. Step 3: Cross multiply
    39,379,901.40x = 59,122,996.20 × 31,301,998.20
  4. Step 4: Simplify right side
    39,379,901.40x = 1,850,667,920,631,007
  5. Step 5: Solve for x
    x = 1,850,667,920,631,007/39,379,901.40
  6. Step 6: Final answer
    x = 46,995,240.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.